import { validatenull } from "./validate";
//表单序列化
export const serialize = data => {
    let list = [];
    Object.keys(data).forEach(ele => {
        list.push(`${ele}=${data[ele]}`);
    });
    return list.join("&");
};
export const getObjType = obj => {
    var toString = Object.prototype.toString,
        map = {
            "[object Boolean]": "boolean",
            "[object Number]": "number",
            "[object String]": "string",
            "[object Function]": "function",
            "[object Array]": "array",
            "[object Date]": "date",
            "[object RegExp]": "regExp",
            "[object Undefined]": "undefined",
            "[object Null]": "null",
            "[object Object]": "object"
        };
    if (obj instanceof Element) {
        return "element";
    }
    return map[toString.call(obj)];
};

/**
 * @param {Function} func
 * @param {number} wait
 * @param {boolean} immediate
 * @return {*}
 */
export function debounce(func, wait, immediate) {
    let timeout, args, context, timestamp, result;

    const later = function() {
    // 据上一次触发时间间隔
        const last = Number(new Date()) - timestamp;

        // 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait
        if (last < wait && last > 0) {
            timeout = setTimeout(later, wait - last);
        } else {
            timeout = null;
            // 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
            if (!immediate) {
                result = func.apply(context, args);
                if(!timeout) {
                    context = args = null;
                }
            }
        }
    };

    return function(...args) {
        context = this;
        timestamp = Number(new Date());
        const callNow = immediate && !timeout;
        // 如果延时不存在，重新设定延时
        if (!timeout) {
            timeout = setTimeout(later, wait);
        }
        if (callNow) {
            result = func.apply(context, args);
            // eslint-disable-next-line no-param-reassign
            context = args = null;
        }

        return result;
    };
}

/**
 * 对象深拷贝
 */
export const deepClone = data => {
    var type = getObjType(data),
        obj;
    if (type === "array") {
        obj = [];
    } else if (type === "object") {
        obj = {};
    } else {
    //不再具有下一层次
        return data;
    }
    if (type === "array") {
        for (var i = 0, len = data.length; i < len; i++) {
            obj.push(deepClone(data[i]));
        }
    } else if (type === "object") {
        for (var key in data) {
            obj[key] = deepClone(data[key]);
        }
    }
    return obj;
};
/**
 * 设置灰度模式
 */
export const toggleGrayMode = status => {
    if (status) {
        document.body.className = document.body.className + " grayMode";
    } else {
        document.body.className = document.body.className.replace(" grayMode", "");
    }
};
/**
 * 设置主题
 */
export const setTheme = name => {
    document.body.className = name;
};

/**
 * 加密处理
 */
export const encryption = params => {
    let { data, type, param, key } = params,
        result = JSON.parse(JSON.stringify(data));
    if (type === "Base64") {
        param.forEach(ele => {
            result[ele] = btoa(result[ele]);
        });
    } else if (type === "Aes") {
        param.forEach(ele => {
            result[ele] = window.CryptoJS.AES.encrypt(result[ele], key).toString();
        });
    }
    return result;
};

/**
 * 浏览器判断是否全屏
 */
export const fullscreenToggel = () => {
    if (fullscreenEnable()) {
        exitFullScreen();
    } else {
        reqFullScreen();
    }
};
/**
 * esc监听全屏
 */
export const listenfullscreen = callback => {
    function listen() {
        callback();
    }
    document.addEventListener("fullscreenchange", function() {
        listen();
    });
    document.addEventListener("mozfullscreenchange", function() {
        listen();
    });
    document.addEventListener("webkitfullscreenchange", function() {
        listen();
    });
    document.addEventListener("msfullscreenchange", function() {
        listen();
    });
};
/**
 * 浏览器判断是否全屏
 */
export const fullscreenEnable = () => {
    var isFullscreen =
    document.isFullScreen ||
    document.mozIsFullScreen ||
    document.webkitIsFullScreen;
    return isFullscreen;
};

/**
 * 浏览器全屏
 */
export const reqFullScreen = () => {
    if (document.documentElement.requestFullScreen) {
        document.documentElement.requestFullScreen();
    } else if (document.documentElement.webkitRequestFullScreen) {
        document.documentElement.webkitRequestFullScreen();
    } else if (document.documentElement.mozRequestFullScreen) {
        document.documentElement.mozRequestFullScreen();
    }
};
/**
 * 浏览器退出全屏
 */
export const exitFullScreen = () => {
    if (document.documentElement.requestFullScreen) {
        document.exitFullScreen();
    } else if (document.documentElement.webkitRequestFullScreen) {
        document.webkitCancelFullScreen();
    } else if (document.documentElement.mozRequestFullScreen) {
        document.mozCancelFullScreen();
    }
};
/**
 * 递归寻找子类的父类
 */

export const findParent = (menu, id) => {
    for (let i = 0; i < menu.length; i++) {
        if (menu[i].children.length !== 0) {
            for (let j = 0; j < menu[i].children.length; j++) {
                if (menu[i].children[j].id === id) {
                    return menu[i];
                }
                if (menu[i].children[j].children.length !== 0) {
                    return findParent(menu[i].children[j].children, id);
                }

            }
        }
    }
};
/**
 * 判断2个对象属性和值是否相等
 */

/**
 * 动态插入css
 */

export const loadStyle = url => {
    const link = document.createElement("link");
    link.type = "text/css";
    link.rel = "stylesheet";
    link.href = url;
    const head = document.getElementsByTagName("head")[0];
    head.appendChild(link);
};
/**
 * 判断路由是否相等
 */
export const diff = (obj1, obj2) => {
    delete obj1.close;
    var o1 = obj1 instanceof Object,
        o2 = obj2 instanceof Object;
    if (!o1 || !o2) {
    /*  判断不是对象  */
        return obj1 === obj2;
    }

    if (Object.keys(obj1).length !== Object.keys(obj2).length) {
        return false;
    //Object.keys() 返回一个由对象的自身可枚举属性(key值)组成的数组,例如：数组返回下表：let arr = ["a", "b", "c"];console.log(Object.keys(arr))->0,1,2;
    }

    for (var attr in obj1) {
        var t1 = obj1[attr] instanceof Object,
            t2 = obj2[attr] instanceof Object;
        if (t1 && t2) {
            return diff(obj1[attr], obj2[attr]);
        } else if (obj1[attr] !== obj2[attr]) {
            return false;
        }
    }
    return true;
};
/**
 * 根据字典的value显示label
 */
export const findByvalue = (dic, value) => {
    let result = "";
    if (validatenull(dic)) {
        return value;
    }
    if (
        typeof value === "string" ||
    typeof value === "number" ||
    typeof value === "boolean"
    ) {
        let index = 0;
        index = findArray(dic, value);
        if (index !== -1) {
            result = dic[index].label;
        } else {
            result = value;
        }
    } else if (value instanceof Array) {
        result = [];
        let index = 0;
        value.forEach(ele => {
            index = findArray(dic, ele);
            if (index !== -1) {
                result.push(dic[index].label);
            } else {
                result.push(value);
            }
        });
        result = result.toString();
    }
    return result;
};
/**
 * 根据字典的value查找对应的index
 */
export const findArray = (dic, value) => {
    for (let i = 0; i < dic.length; i++) {
        if (dic[i].value === value) {
            return i;
        }
    }
    return -1;
};
/**
 * 生成随机len位数字
 */
export const randomLenNum = (len, date) => {
    let random = "";
    random = Math.ceil(Math.random() * 100000000000000)
        .toString()
        .substr(0, len ? len : 4);
    if (date) {
        random = random + Date.now();
    }
    return random;
};
/**
 * 打开小窗口
 */
export const openWindow = (url, title, w, h) => {
    // Fixes dual-screen position                            Most browsers       Firefox
    const dualScreenLeft =
    window.screenLeft !== undefined ? window.screenLeft : screen.left,
        dualScreenTop =
    window.screenTop !== undefined ? window.screenTop : screen.top,

        width = window.innerWidth
            ? window.innerWidth
            : document.documentElement.clientWidth
                ? document.documentElement.clientWidth
                : screen.width,
        height = window.innerHeight
            ? window.innerHeight
            : document.documentElement.clientHeight
                ? document.documentElement.clientHeight
                : screen.height,

        left = width / 2 - w / 2 + dualScreenLeft,
        top = height / 2 - h / 2 + dualScreenTop,
        newWindow = window.open(
            url,
            title,
            "toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=yes, copyhistory=no, width=" +
      w +
      ", height=" +
      h +
      ", top=" +
      top +
      ", left=" +
      left
        );

    // Puts focus on the newWindow
    if (window.focus) {
        newWindow.focus();
    }
};
